Can we insert structure into list control if mfc

Question

1.00/5 (1 vote)

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I have student structure and I wanted to store it in list control how can we do this?

see in coding lstStudent is the list object

What I have tried:

struct Student 
{
	char sname[25];
	char id[5];
	char sclass[10];
};
void CStudent::SaveData()
{
	Student s1;
	CString sname,id,sclass,m;
	m_txtStudentName.GetWindowTextW(sname);
	m_txtStudentName.GetWindowTextW(id);
	m_txtClass.GetWindowTextW(sclass);

	sprintf(s1.sname,"%S",sname);
	sprintf(s1.id,"%S",id);
	sprintf(s1.sclass,"%S",sclass);

        m_lstStudent.add(s1);
	}
}

Posted 13-Feb-17 1:21am

Premnath Mali

Updated 13-Feb-17 2:06am

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2 solutions

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Richard MacCutchan · Accepted Answer · 2017-02-13T01:59:00

Solution 1

You probably mean CListView Class[^], although you have to add items manually from the structure for each column. Or you could switch to C# which provides data binding.

Posted 13-Feb-17 1:59am

Richard MacCutchan

Comments

Premnath Mali 16-Feb-17 0:30am

That was a good suggestion but I wanted to stick with c++

Jochen Arndt · Accepted Answer · 2017-02-13T02:06:00

Solution 2

You have to add corresponding columns to your list control which must be in report mode (LVS_REPORT style, usually defined in the resource file). Do this within the initialisation function of the parent window (e.g. OnInitDialog with dialog windows):

C++

m_lstStudent.InsertColumn(0, _T("Name"));
m_lstStudent.InsertColumn(1, _T("ID"));
m_lstStudent.InsertColumn(2, _T("Class"));

Then set the column data after adding a new item:

C++

// Insert new item and set text for first column
int pos = m_lstStudent.InsertItem(0, sname);
// Set text for other columns
m_lstStudent.SetItemText(pos, 1, id);
m_lstStudent.SetItemText(pos, 2, sclass);

Posted 13-Feb-17 2:06am

Jochen Arndt

Comments

Premnath Mali 16-Feb-17 0:28am

Thank you This is working fine but check once SetItemData() if we can use it for the same then comment me again...!

Jochen Arndt 16-Feb-17 3:03am

SetItemData() sets a user data for an item (a DWORD value). With database applications it can be used to store the numeric ID.

You probably want to use other Set functions like SetItem(). They can be off course used. But then you have to create and initialise an LVITEM structure.

Premnath Mali 17-Feb-17 23:24pm

How do we do that? Do you have any snippet of that?
I mean you already helped me to do my stuff but what if that student structure has more that 20 variables at that time setting each item manually is not a good way, isn't it?

Jochen Arndt 18-Feb-17 3:00am

A snippet without knowing how your dara are organised would not really help.

For each field of your structure there will be a column in the list. And you have to set each column (subitem). The only thing to do when setting many sub columns or adding multiple items is disable redrawing while updating the list.